nwc-viewer/test/visual/index.html at gh-pages · zz85/nwc-viewer · GitHub

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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>Notably — Visual Test Suite</title>
<style>
* { margin: 0; padding: 0; box-sizing: border-box; }
body {
	font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
	background: #f0f0f0;
	color: #333;
	padding: 20px;
}
h1 { margin-bottom: 4px; font-size: 24px; }
.subtitle { color: #666; margin-bottom: 20px; font-size: 13px; }
.controls {
	display: flex; gap: 10px; align-items: center;
	margin-bottom: 20px; padding: 10px;
	background: #fff; border-radius: 6px; box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}
.controls label { font-size: 13px; font-weight: 600; }
.controls select, .controls button {
	font-size: 13px; padding: 4px 8px; border-radius: 4px; border: 1px solid #ccc;
}
.controls button { cursor: pointer; background: #4a90d9; color: #fff; border: none; padding: 6px 14px; }
.controls button:hover { background: #357abd; }
.status { margin-left: auto; font-size: 12px; color: #888; }

.category { margin-bottom: 30px; }
.category h2 {
	font-size: 16px; color: #555; border-bottom: 2px solid #ddd;
	padding-bottom: 4px; margin-bottom: 12px;
}
.test-grid {
	display: flex; flex-wrap: wrap; gap: 16px;
}
.test-case {
	background: #fff; border-radius: 6px; box-shadow: 0 1px 4px rgba(0,0,0,0.1);
	overflow: hidden; display: flex; flex-direction: column;
}
.test-case .label {
	font-size: 11px; font-weight: 600; color: #555; padding: 6px 10px;
	background: #fafafa; border-bottom: 1px solid #eee;
}
.test-case .label .desc {
	font-weight: 400; color: #999; display: block; margin-top: 1px;
}
.test-case canvas {
	display: block;
}
.test-case.error { border: 2px solid #e74c3c; }
.test-case.error .label { background: #fdecea; color: #c0392b; }

/* Hidden rendering area — the real pipeline renders here, then we snapshot */
#render-area { position: absolute; left: -9999px; top: -9999px; }
#render-area #score { width: 1200px; height: 600px; overflow: hidden; }
</style>
</head>
<body>

<h1>Notably — Visual Test Suite</h1>
<p class="subtitle">Isolated feature tests (synthetic data) + full NWC file rendering. Inspect after code changes to verify layout correctness.</p>

<div class="controls">
	<label>Font Size:</label>
	<select id="font-size-select">
		<option value="20">20</option>
		<option value="24">24</option>
		<option value="28" selected>28</option>
		<option value="32">32</option>
	</select>
	<button id="run-btn">Re-run All Tests</button>
	<span class="status" id="status">Loading...</span>
</div>

<div id="test-output"></div>

<!-- Hidden rendering area used by the pipeline -->
<div id="render-area">
	<div id="score"><div id="invisible_canvas"></div></div>
	<!-- Stubs for loaders.js DOM dependencies -->
	<input type="file" id="opener" style="display:none">
	<button id="open" style="display:none"></button>
</div>

<!-- Vendor dependencies -->
<script src="../../vendor/inflate.min.js"></script>
<script src="../../vendor/opentype.min.js"></script>

<script type="module">
import '../../src/constants.js'
import { setLayoutMode, setFontSize, getFontSize, setZoomLevel } from '../../src/constants.js'
import { decodeNwcArrayBuffer } from '../../src/nwc.js'
import { interpret } from '../../src/interpreter.js'
import { setup, resizeToFit } from '../../src/drawing.js'
import { score } from '../../src/layout/typeset.js'
import { MusicContext } from '../../src/context.js'
import { SYNTHETIC_FIXTURES } from './fixtures.js'

// ── Test fixture definitions ───────────────────────────────────────

// NWC file-based fixtures (loaded from disk)
const FILE_FIXTURES = [
	// ── Real NWC files ──────────────────────────────────────────
	{
		category: 'Full Scores',
		tests: [
			{ file: '../../nwcs/bachjesu.nwc', label: 'Bach — Jesu, Joy', desc: '4-part vocal + basso continuo, triplets, beams, ties' },
			{ file: '../../nwcs/bachairg.nwc', label: 'Bach — Air on G', desc: '11 staves, slurs, dynamics, ornate beaming' },
			{ file: '../../samples/carenot.nwc', label: 'Carenot', desc: 'Articulations, staccato, accent, grace notes' },
			{ file: '../../samples/adohn.nwc', label: 'O Holy Night', desc: 'Split-stem chords, tempo, text, dynamics' },
			{ file: '../../nwcs/beetfur.nwc', label: 'Beethoven — Fur Elise', desc: 'Triplets, dynamics, repeats' },
		]
	},
	{
		category: 'Beams & Stems',
		tests: [
			{ file: '../../nwcs/bachjesu.nwc', label: 'Triplet Beams (Staff 1)', desc: 'Violino I — running triplet 8ths, beam=1,2,3' },
			{ file: '../../nwcs/albast.nwc', label: 'Albeniz — Asturias', desc: 'Fast 16th note beaming patterns' },
		]
	},
	{
		category: 'Ties & Slurs',
		tests: [
			{ file: '../../samples/AveMariaArcadelt.nwc', label: 'Ave Maria — Arcadelt', desc: 'Vocal slurs, tied notes across barlines' },
			{ file: '../../samples/bwv140-2.nwc', label: 'Bach BWV 140-2', desc: 'Chorale ties, chord ties' },
			{ file: '../../samples/WhatChildIsThis.nwc', label: 'What Child Is This', desc: 'Slurs over varied pitch intervals' },
		]
	},
	{
		category: 'Lyrics & Vocals',
		tests: [
			{ file: '../../samples/AChildThisDayIsBorn.nwc', label: 'A Child This Day', desc: 'Lyrics with hyphens, multi-syllable words' },
			{ file: '../../samples/WakenChristianChildren.nwc', label: 'Waken Christian Children', desc: 'Lyrics under beamed notes' },
			{ file: '../../samples/WeThreeKingsOfOrientAre.nwc', label: 'We Three Kings', desc: 'Lyrics with slurs, tied notes skip syllables' },
		]
	},
	{
		category: 'Dynamics & Expressions',
		tests: [
			{ file: '../../nwcs/anonitra.nwc', label: 'Anitra\'s Dance', desc: 'Dynamics (pp, p, f), tempo markings' },
			{ file: '../../nwcs/bellvaga.nwc', label: 'Bellini — Vaga Luna', desc: 'Hairpins, dynamic markings, expression text' },
		]
	},
	{
		category: 'Clefs & Key Signatures',
		tests: [
			{ file: '../../nwcs/bacfuggm.nwc', label: 'Bach — Fugue G minor', desc: 'Key signatures with flats' },
			{ file: '../../nwcs/albadag.nwc', label: 'Albéniz — Adagio', desc: 'Key signatures with sharps' },
		]
	},
]

// ── Rendering engine ───────────────────────────────────────────────

const statusEl = document.getElementById('status')
const outputEl = document.getElementById('test-output')

async function loadFile(url) {
	const resp = await fetch(url)
	if (!resp.ok) throw new Error(`Failed to load ${url}: ${resp.status}`)
	return resp.arrayBuffer()
}

function snapshotCanvas(srcCanvas, width, height) {
	// After score() + quickDraw(), the source canvas has the rendered content
	// at backing-store resolution (CSS pixels * DPR).  We copy the visible
	// portion into a display-sized canvas.
	const snap = document.createElement('canvas')
	const maxW = 1100
	const maxH = 500
	const displayW = Math.min(Math.ceil(width), maxW)
	const displayH = Math.min(Math.ceil(height), maxH)

	// Use 1:1 pixel ratio for the snapshot (no DPR scaling) so it's crisp
	snap.width = displayW
	snap.height = displayH
	snap.style.width = displayW + 'px'
	snap.style.height = displayH + 'px'

	const sCtx = snap.getContext('2d')
	// The source canvas is DPR-scaled.  Map the score-space region to our snap.
	const dpr = srcCanvas.width / parseFloat(srcCanvas.style.width || srcCanvas.width)
	sCtx.drawImage(
		srcCanvas,
		0, 0, displayW * dpr, displayH * dpr,   // source rect (backing pixels)
		0, 0, displayW, displayH                 // dest rect (display pixels)
	)
	return snap
}

function renderFixture(data) {
	// Force scroll mode for single-line rendering
	setLayoutMode('scroll')
	setZoomLevel(1)

	// Use MusicContext so score() gets canvas/ctx from the context
	const musicCtx = new MusicContext(data, window.canvas)

	// Interpret
	interpret(musicCtx)

	// Layout + draw (renders to window.canvas via the pipeline)
	score(musicCtx)

	// Return content dimensions
	return {
		width: window.maxCanvasWidth || 800,
		height: window.maxCanvasHeight || 200,
	}
}

async function runAllTests() {
	outputEl.innerHTML = ''
	let total = 0, passed = 0, failed = 0

	// Combine synthetic (data-based) and file-based fixture lists
	const allFixtures = [...SYNTHETIC_FIXTURES, ...FILE_FIXTURES]

	for (const cat of allFixtures) {
		total += cat.tests.length
	}

	statusEl.textContent = `Running 0 / ${total}...`
	let idx = 0

	for (const cat of allFixtures) {
		const catDiv = document.createElement('div')
		catDiv.className = 'category'
		catDiv.innerHTML = `<h2>${cat.category}</h2>`
		const grid = document.createElement('div')
		grid.className = 'test-grid'
		catDiv.appendChild(grid)
		outputEl.appendChild(catDiv)

		for (const test of cat.tests) {
			idx++
			statusEl.textContent = `Rendering ${idx} / ${total}: ${test.label}...`

			const caseDiv = document.createElement('div')
			caseDiv.className = 'test-case'

			const labelDiv = document.createElement('div')
			labelDiv.className = 'label'
			labelDiv.innerHTML = `${test.label}${test.desc ? `<span class="desc">${test.desc}</span>` : ''}`
			caseDiv.appendChild(labelDiv)

			try {
				let data
				if (test.data) {
					// Synthetic fixture — data built directly
					data = test.data()
				} else if (test.file) {
					// File-based fixture — load and parse NWC file
					const buf = await loadFile(test.file)
					data = decodeNwcArrayBuffer(buf)
				} else {
					throw new Error('Fixture has neither data() nor file')
				}

				const dims = renderFixture(data)
				const snap = snapshotCanvas(window.canvas, dims.width, dims.height)
				caseDiv.appendChild(snap)
				passed++
			} catch (err) {
				caseDiv.classList.add('error')
				const errDiv = document.createElement('div')
				errDiv.style.cssText = 'padding:10px;font-size:11px;color:#c0392b;'
				errDiv.textContent = `Error: ${err.message}`
				caseDiv.appendChild(errDiv)
				console.error(`[${test.label}]`, err)
				failed++
			}

			grid.appendChild(caseDiv)

			// Yield to browser between renders so progress shows
			await new Promise(r => setTimeout(r, 0))
		}
	}

	statusEl.textContent = `Done — ${passed} passed, ${failed} failed out of ${total}`
}

// ── Initialization ─────────────────────────────────────────────────

function init() {
	const fontSize = parseInt(document.getElementById('font-size-select').value) || 28
	setFontSize(fontSize)

	// Font path must be relative to this HTML file's location (test/visual/)
	const fontPath = '../../vendor/bravura-1.211/otf/Bravura.otf'

	setup(
		() => {
			statusEl.textContent = 'Font loaded. Running tests...'
			runAllTests()
		},
		fontPath,
		(canvas) => {
			// Insert the pipeline canvas into the hidden render area
			const scoreDiv = document.getElementById('score')
			const spacer = document.getElementById('invisible_canvas')
			scoreDiv.insertBefore(canvas, spacer)
		}
	)
}

document.getElementById('run-btn').addEventListener('click', () => {
	const fontSize = parseInt(document.getElementById('font-size-select').value) || 28
	setFontSize(fontSize)
	runAllTests()
})

document.getElementById('font-size-select').addEventListener('change', () => {
	const fontSize = parseInt(document.getElementById('font-size-select').value) || 28
	setFontSize(fontSize)
	runAllTests()
})

init()
</script>
</body>
</html>